Question 1

Why should I use momondo to find a flight deal to London?

Accepted Answer

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London.

Question 2

Can I find flights to London with flexible booking policies on momondo?

Accepted Answer

momondo does allow users to show only those flights to London which offer a flexible booking policy as well as other useful filters and features.

Question 3

How can momondo help me find flights to London?

Accepted Answer

momondo helps you find the best flight to London by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

Question 4

I’m not ready to book a flight to London right now. Can momondo alert me if prices change?

Accepted Answer

Of course. momondo tracks the price of London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

Question 5

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

In general, when booking your flight to London Heathrow Airport, February is the cheapest month on average.

Question 6

How far in advance should I book a flight to London Heathrow Airport?

Accepted Answer

Most flyers found that booking flight tickets 42 days in advance of their planned departure date is, on average, the best time to get cheap flights to London Heathrow Airport.

Question 7

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

From most locations, the cheapest day to fly to London Heathrow Airport is Sunday. Most users found that departing on a Tuesday was most expensive.

Question 8

What is the cheapest time of day to fly to London Heathrow Airport?

Accepted Answer

Our data shows that the cheapest London Heathrow Airport flights are usually those with Morning departure times. Afternoon flights are often costlier.

Question 9

Is there an alternative airport near London Heathrow Airport?

Accepted Answer

Finding an alternative and possibly cheaper destination airport near London Heathrow Airport is possible. If you are planning a flight to London Heathrow Airport, consider booking flights to London City Airport (12 km from London city centre), London Gatwick Airport (38 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London Heathrow Airport city centre) or London Southend Airport (57 km from London city centre).

Question 10

Is there a cheaper alternative to flying into London?

Accepted Answer

London Southend Airport has an average price of C$ 78 per person and is typically the cheapest airport to fly into when visiting London. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

Question 11

What is the absolute cheapest flight to London?

Accepted Answer

Users booking trips to London from Edinburgh found flights 89% cheaper than the average price of flights to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.

Question 12

Which airlines fly to London Heathrow Airport?

Accepted Answer

Air Canada is the airline most momondo users in Canada opt for when booking flights to London Heathrow Airport. British Airways, Lufthansa and WestJet are also popular choices when flying to London Heathrow Airport from Canada. Most major airlines flying from Canada to London Heathrow Airport will offer flights on a regular basis, though your options may vary depending on what airport you fly from.

Question 13

Delta Flights to London Heathrow Airport

Accepted Answer

Delta is a popular choice for users travelling to London Heathrow Airport. It operates 54 flights every week to London Heathrow Airport, most often flying from New York John F Kennedy Intl. Delta ticket prices will depend on when and where you need to fly from - deals as low as C$ 700 (from Vancouver Intl) have been found by momondo users. In 7,981 reviews, momondo users have rated Delta at an average score of 7.9/10.

Question 14

KLM Flights to London Heathrow Airport

Accepted Answer

C$ 710 is the best round-trip KLM deal to London Heathrow Airport found on momondo in the last few days. The deal departed from Edmonton. KLM has 54 flights to London Heathrow Airport most weeks, with prices varying by availability. 1,388 momondo users have reviewed KLM, scoring the airline a 7.8/10 on average.

Question 15

Which airlines fly to London Heathrow Airport?

Accepted Answer

You can find flights to London Heathrow Airport from 18 airlines. If you’re unsure which to fly with, consider booking your flight with Air Canada, British Airways or Lufthansa as these are the most popular among our users. Air Canada is the most favoured with 55% of momondo travellers booking flights with this airline.

Question 16

When did momondo last update prices for flights to London Heathrow Airport?

Accepted Answer

Prices for flights to London Heathrow Airport refresh daily.

Question 17

How many operators does momondo search for flights to London Heathrow Airport?

Accepted Answer

There are 27 operators available for flights to London Heathrow Airport as of August 2025.

Question 18

How old do you have to be to fly to London Heathrow Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to London Heathrow Airport.

Question 19

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Question 20

What cabin class options are available on Canada to London Heathrow flights?

Accepted Answer

There are 4 cabin classes available to choose from on Canada to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 21

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Accepted Answer

Our data shows that the cheapest Canada to London Heathrow Airport flights are usually those with departure times in the morning. Our users have found flights to London Heathrow Airport in the morning for as low as C$ 918. In the afternoon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,344 per ticket.

Question 22

What is the cheapest airline that flies from Canada to London Heathrow?

Accepted Answer

WestJet is the most popular carrier operating from Canada to London Heathrow

Question 23

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Canada, with most prices found around C$ 771. If you aren’t able to travel to London Heathrow Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 792.

Question 24

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

According to our data, Sunday is the cheapest day to fly to London Heathrow Airport from Canada. The lowest ticket price found for a Sunday departure recently was C$ 1,207. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Canada to London Heathrow Airport for around C$ 1,369.

Question 25

What is the cheapest Canada to London Heathrow flight route?

Accepted Answer

Fly from Calgary to London Heathrow for the best Canada - London Heathrow flight prices

Question 26

How many flights depart from Canada to London Heathrow Airport on average per week?

Accepted Answer

As of August 2025, 632 flights take off from Canada and land in London Heathrow Airport each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.

Question 27

Which airlines fly to London Heathrow Airport?

Accepted Answer

Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Canada according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 20 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Question 28

How long does it take to fly to London Heathrow Airport?

Accepted Answer

On average, it takes 7h 05m to fly from Canada to London Heathrow Airport if you fly out of Toronto Pearson Intl (the most popular airport in Canada) and into London Heathrow (the most popular airport in London Heathrow Airport). If you’re flying out of Vancouver Intl and into London Heathrow, then the flight time is around 9h 20m.

Question 29

How far in advance should I book a flight to London Heathrow Airport?

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 914 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Canada for as low as C$ 825 on momondo.

Question 30

How many flights depart from Canada to London Heathrow Airport on average per day?

Accepted Answer

As of August 2025, there are 90 flights per day flying from Canada to London Heathrow Airport. The most common time of day flights depart is 8:00p.m., with 90% of flights taking off in the evening.

CHEAPEST MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM TORONTO PEARSON INTL AIRPORT	February	16% cheaper	Flying from Toronto Pearson Intl Airport to London Heathrow Airport costs on average just C$ 775 in February
MOST EXPENSIVE MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM TORONTO PEARSON INTL AIRPORT	December	37% more expensive	It costs about C$ 1,254 for flights to London Heathrow Airport from Toronto Pearson Intl Airport in December
MOST POPULAR MONTH TO FLY TO LONDON HEATHROW AIRPORT FROM TORONTO PEARSON INTL AIRPORT	August	131% more users visited	More momondo users searched in flights to London Heathrow Airport from Toronto Pearson Intl Airport in August than any other month

Best One-Way Price	C$ 231
Best Round-Trip Price	C$ 691
Fastest flight time	11h 25m
Popular in	December

C$ 231 Cheap flights to London Heathrow Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London Heathrow Airport departing on 25/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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What cabin class options are available on Canada to London Heathrow flights?

There are 4 cabin classes available to choose from on Canada to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Canada to London Heathrow flight route?

Fly from Calgary to London Heathrow for the best Canada - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

What is the cheapest airline that flies from Canada to London Heathrow?

WestJet is the most popular carrier operating from Canada to London Heathrow

Which airlines fly to London Heathrow Airport?

How long does it take to fly to London Heathrow Airport?

How many flights depart from Canada to London Heathrow Airport on average per day?

As of August 2025, there are 90 flights per day flying from Canada to London Heathrow Airport. The most common time of day flights depart is 8:00p.m., with 90% of flights taking off in the evening.

How many flights depart from Canada to London Heathrow Airport on average per week?

As of August 2025, 632 flights take off from Canada and land in London Heathrow Airport each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.

Cheapest flights to London Heathrow

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Frequently asked questions about flying to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

How far in advance should I book a flight to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to fly to London Heathrow Airport?

Is there an alternative airport near London Heathrow Airport?

Is there a cheaper alternative to flying into London?

What is the absolute cheapest flight to London?

Which airlines fly to London Heathrow Airport?

When did momondo last update prices for flights to London Heathrow Airport?

How many operators does momondo search for flights to London Heathrow Airport?

How old do you have to be to fly to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

Why use momondo?

Why should I use momondo to find a flight deal to London?

Can I find flights to London with flexible booking policies on momondo?

How can momondo help me find flights to London?

I’m not ready to book a flight to London right now. Can momondo alert me if prices change?

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